<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <style>
        body{
            margin: 0;
        }
        .center{
            display: flex;
            justify-content: center;
            align-items: center;
        }
        .container{
            display: flex;
            flex-direction: column;
            height: 100vh;
            background-color: #f2f2f2;
        }
        .Header{
            flex-grow: 1;
            background-color: #cce1fb;
        }
        .Body1{
            display: flex;
            flex-grow: 2;
            background-color: aquamarine;
            align-items: stretch;
        }
        .Aside{
            flex-grow: 2;
            background-color: #D9ECFE;
        }
        .Body2{
            flex-grow: 7;
            flex-direction: column;
            background-color:#ECF5FF;
            align-items: stretch;
        }
        .Main{
            flex-grow: 2;
            background-color: #ECF5FF;
        }
        .Footer{
            flex-grow: 1;
            background-color: #C7E2FE;
        }

    </style>
</head>
<body>
    <div class="container">
        <div class="Header center">Header</div>
        <div class="Body1 center">
            <div class="Aside center">Aside</div>
            <div class="Body2 center">
                <div class="Main center">Main</div>
                <div class="Footer center">Footer</div>
            </div>
        </div>
    </div>
</body>
</html>